test/javax/swing/JLayer/6824395/bug6824395.java

rev 14031 : 8160974: [TESTBUG] Mark more headful tests with @key headful.

This is a backport of fe58d505fffd from jdk9. 228/596 hunks apply without
modifications. 16 hunks required manual rework. The remainder were for files
not present in jdk8u.

@@ -21,10 +21,11 @@
  * questions.
  */
 
  /*
  * @test
+ * @key headful
  * @summary Checks that JLayer inside JViewport works is correctly laid out
  * @author Alexander Potochkin
  * @run main bug6824395
  */